bump version [skip ci]

Author: takenori-y

README.md

@@ -2,7 +2,7 @@
 
 *diffsptk* is a differentiable version of [SPTK](https://github.com/sp-nitech/SPTK) based on the PyTorch framework.
 
-[![Manual](https://img.shields.io/badge/docs-stable-blue.svg)](https://sp-nitech.github.io/diffsptk/3.2.0/)
+[![Manual](https://img.shields.io/badge/docs-stable-blue.svg)](https://sp-nitech.github.io/diffsptk/3.3.0/)
 [![Downloads](https://static.pepy.tech/badge/diffsptk)](https://pepy.tech/project/diffsptk)
 [![ClickPy](https://img.shields.io/badge/downloads-clickpy-yellow.svg)](https://clickpy.clickhouse.com/dashboard/diffsptk)
 [![Python Version](https://img.shields.io/pypi/pyversions/diffsptk.svg)](https://pypi.python.org/pypi/diffsptk)
@@ -20,7 +20,7 @@
 
 ## Documentation
 
-- See [this page](https://sp-nitech.github.io/diffsptk/3.2.0/) for the reference manual.
+- See [this page](https://sp-nitech.github.io/diffsptk/3.3.0/) for the reference manual.
 - Our [paper](https://www.isca-speech.org/archive/ssw_2023/yoshimura23_ssw.html) is available on the ISCA Archive.
 
 ## Installation

diffsptk/version.py

@@ -1 +1 @@
-__version__ = "3.2.1.dev0"
+__version__ = "3.3.0"